While three damage now and three damage later is attractive, the vulnerability to creature removal is a meaningful weakness that needs to be overcome
Rotom and Tyranitar provide versatile options for Arceus deck building with free retreat and high damage output
Since he makes you three red mana when he attacks, you can put that right into his second ability to exile the top card of your library to play on your turn
These were only included in the now out-of-print Shining Legends [SM3+], and high collector demand has caused many of them to rise in price
And although I wont get into an argument about the difference in value between two versions of some non-inspiring trainer cards (No Rarity Base Set version is the OG and much rarer in good condition /end of argument), theres one where I think the difference really matters No Rarity Base Set Pokmon Traders PSA 10 POP report is all messed up 1200756 99 KB Screenshot from July 2021 Take a look at the Pop report for No Rarity Symbol versions of all nine Rare Trainers from Base Set
It had already been decided that a trading card game was on the cards (pun intended), but before any official release, prototypes were made in order to test game mechanics and playability